Signed-off-by: lsiepel <leosiepel@gmail.com>
Signed-off-by: Leo Siepel <leosiepel@gmail.com>
This commit is contained in:
lsiepel 2023-09-23 17:40:31 +02:00 committed by GitHub
parent 619dd617aa
commit 7f56f0579a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 189 additions and 34 deletions

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@ -15,6 +15,7 @@ package org.openhab.binding.folderwatcher.internal.api;
import static org.eclipse.jetty.http.HttpHeader.*;
import static org.eclipse.jetty.http.HttpMethod.*;
import java.io.IOException;
import java.io.StringReader;
import java.net.MalformedURLException;
import java.net.URL;
@ -23,10 +24,13 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jetty.client.HttpClient;
@ -34,10 +38,14 @@ import org.eclipse.jetty.client.api.ContentResponse;
import org.eclipse.jetty.client.api.Request;
import org.openhab.binding.folderwatcher.internal.api.auth.AWS4SignerBase;
import org.openhab.binding.folderwatcher.internal.api.auth.AWS4SignerForAuthorizationHeader;
import org.openhab.binding.folderwatcher.internal.api.exception.APIException;
import org.openhab.binding.folderwatcher.internal.api.exception.AuthException;
import org.openhab.binding.folderwatcher.internal.api.util.HttpUtilException;
import org.openhab.core.io.net.http.HttpClientFactory;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
* The {@link S3Actions} class contains AWS S3 API implementation.
@ -54,39 +62,44 @@ public class S3Actions {
private String awsAccessKey;
private String awsSecretKey;
public S3Actions(HttpClientFactory httpClientFactory, String bucketName, String region) {
public S3Actions(HttpClientFactory httpClientFactory, String bucketName, String region) throws APIException {
this(httpClientFactory, bucketName, region, "", "");
}
public S3Actions(HttpClientFactory httpClientFactory, String bucketName, String region, String awsAccessKey,
String awsSecretKey) {
String awsSecretKey) throws APIException {
this.httpClient = httpClientFactory.getCommonHttpClient();
try {
this.bucketUri = new URL("http://" + bucketName + ".s3." + region + ".amazonaws.com");
} catch (MalformedURLException e) {
throw new RuntimeException("Unable to parse service endpoint: " + e.getMessage());
throw new APIException("Unable to parse service endpoint: " + e.getMessage());
}
this.region = region;
this.awsAccessKey = awsAccessKey;
this.awsSecretKey = awsSecretKey;
}
public List<String> listBucket(String prefix) throws Exception {
public List<String> listBucket(String prefix) throws APIException, AuthException {
Map<String, String> headers = new HashMap<String, String>();
Map<String, String> params = new HashMap<String, String>();
return listObjectsV2(prefix, headers, params);
}
private List<String> listObjectsV2(String prefix, Map<String, String> headers, Map<String, String> params)
throws Exception {
throws APIException, AuthException {
params.put("list-type", "2");
params.put("prefix", prefix);
if (!awsAccessKey.isEmpty() || !awsSecretKey.isEmpty()) {
headers.put("x-amz-content-sha256", AWS4SignerBase.EMPTY_BODY_SHA256);
AWS4SignerForAuthorizationHeader signer = new AWS4SignerForAuthorizationHeader(this.bucketUri, "GET", "s3",
region);
String authorization = signer.computeSignature(headers, params, AWS4SignerBase.EMPTY_BODY_SHA256,
awsAccessKey, awsSecretKey);
String authorization;
try {
authorization = signer.computeSignature(headers, params, AWS4SignerBase.EMPTY_BODY_SHA256, awsAccessKey,
awsSecretKey);
} catch (HttpUtilException e) {
throw new AuthException(e);
}
headers.put("Authorization", authorization);
}
@ -102,15 +115,31 @@ public class S3Actions {
request.param(paramKey, params.get(paramKey));
}
ContentResponse contentResponse = request.send();
ContentResponse contentResponse;
try {
contentResponse = request.send();
} catch (InterruptedException | TimeoutException | ExecutionException e) {
throw new APIException(e);
}
if (contentResponse.getStatus() != 200) {
throw new Exception("HTTP Response is not 200");
throw new APIException("HTTP Response is not 200");
}
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
DocumentBuilder docBuilder;
try {
docBuilder = docBuilderFactory.newDocumentBuilder();
} catch (ParserConfigurationException e) {
throw new APIException(e);
}
InputSource is = new InputSource(new StringReader(contentResponse.getContentAsString()));
Document doc = docBuilder.parse(is);
Document doc;
try {
doc = docBuilder.parse(is);
} catch (SAXException | IOException e) {
throw new APIException(e);
}
NodeList nameNodesList = doc.getElementsByTagName("Key");
List<String> returnList = new ArrayList<>();

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@ -28,7 +28,9 @@ import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.openhab.binding.folderwatcher.internal.api.exception.AuthException;
import org.openhab.binding.folderwatcher.internal.api.util.BinaryUtils;
import org.openhab.binding.folderwatcher.internal.api.util.HttpUtilException;
import org.openhab.binding.folderwatcher.internal.api.util.HttpUtils;
/**
@ -46,8 +48,8 @@ public abstract class AWS4SignerBase {
public static final String SCHEME = "AWS4";
public static final String ALGORITHM = "HMAC-SHA256";
public static final String TERMINATOR = "aws4_request";
public static final String ISO8601BasicFormat = "yyyyMMdd'T'HHmmss'Z'";
public static final String DateStringFormat = "yyyyMMdd";
public static final String ISO8601_BASIC_FORMAT = "yyyyMMdd'T'HHmmss'Z'";
public static final String DATESTRING_FORMAT = "yyyyMMdd";
protected URL endpointUrl;
protected String httpMethod;
protected String serviceName;
@ -61,9 +63,9 @@ public abstract class AWS4SignerBase {
this.serviceName = serviceName;
this.regionName = regionName;
dateTimeFormat = new SimpleDateFormat(ISO8601BasicFormat);
dateTimeFormat = new SimpleDateFormat(ISO8601_BASIC_FORMAT);
dateTimeFormat.setTimeZone(new SimpleTimeZone(0, "UTC"));
dateStampFormat = new SimpleDateFormat(DateStringFormat);
dateStampFormat = new SimpleDateFormat(DATESTRING_FORMAT);
dateStampFormat.setTimeZone(new SimpleTimeZone(0, "UTC"));
}
@ -100,12 +102,12 @@ public abstract class AWS4SignerBase {
}
protected static String getCanonicalRequest(URL endpoint, String httpMethod, String queryParameters,
String canonicalizedHeaderNames, String canonicalizedHeaders, String bodyHash) {
String canonicalizedHeaderNames, String canonicalizedHeaders, String bodyHash) throws HttpUtilException {
return httpMethod + "\n" + getCanonicalizedResourcePath(endpoint) + "\n" + queryParameters + "\n"
+ canonicalizedHeaders + "\n" + canonicalizedHeaderNames + "\n" + bodyHash;
}
protected static String getCanonicalizedResourcePath(URL endpoint) {
protected static String getCanonicalizedResourcePath(URL endpoint) throws HttpUtilException {
if (endpoint == null) {
return "/";
}
@ -122,7 +124,7 @@ public abstract class AWS4SignerBase {
}
}
public static String getCanonicalizedQueryString(Map<String, String> parameters) {
public static String getCanonicalizedQueryString(Map<String, String> parameters) throws HttpUtilException {
if (parameters == null || parameters.isEmpty()) {
return "";
}
@ -152,39 +154,39 @@ public abstract class AWS4SignerBase {
}
protected static String getStringToSign(String scheme, String algorithm, String dateTime, String scope,
String canonicalRequest) {
String canonicalRequest) throws AuthException {
return scheme + "-" + algorithm + "\n" + dateTime + "\n" + scope + "\n"
+ BinaryUtils.toHex(hash(canonicalRequest));
}
public static byte[] hash(String text) {
public static byte[] hash(String text) throws AuthException {
try {
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(text.getBytes("UTF-8"));
return md.digest();
} catch (Exception e) {
throw new RuntimeException("Unable to compute hash while signing request: " + e.getMessage(), e);
throw new AuthException("Unable to compute hash while signing request: " + e.getMessage(), e);
}
}
public static byte[] hash(byte[] data) {
public static byte[] hash(byte[] data) throws AuthException {
try {
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(data);
return md.digest();
} catch (Exception e) {
throw new RuntimeException("Unable to compute hash while signing request: " + e.getMessage(), e);
throw new AuthException("Unable to compute hash while signing request: " + e.getMessage(), e);
}
}
protected static byte[] sign(String stringData, byte[] key, String algorithm) {
protected static byte[] sign(String stringData, byte[] key, String algorithm) throws AuthException {
try {
byte[] data = stringData.getBytes("UTF-8");
Mac mac = Mac.getInstance(algorithm);
mac.init(new SecretKeySpec(key, algorithm));
return mac.doFinal(data);
} catch (Exception e) {
throw new RuntimeException("Unable to calculate a request signature: " + e.getMessage(), e);
throw new AuthException("Unable to calculate a request signature: " + e.getMessage(), e);
}
}
}

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@ -17,7 +17,9 @@ import java.util.Date;
import java.util.Map;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.openhab.binding.folderwatcher.internal.api.exception.AuthException;
import org.openhab.binding.folderwatcher.internal.api.util.BinaryUtils;
import org.openhab.binding.folderwatcher.internal.api.util.HttpUtilException;
/**
* The {@link AWS4SignerForAuthorizationHeader} class contains methods for AWS S3 API authentication using HTTP(S)
@ -35,7 +37,7 @@ public class AWS4SignerForAuthorizationHeader extends AWS4SignerBase {
}
public String computeSignature(Map<String, String> headers, Map<String, String> queryParameters, String bodyHash,
String awsAccessKey, String awsSecretKey) {
String awsAccessKey, String awsSecretKey) throws AuthException, HttpUtilException {
Date now = new Date();
String dateTimeStamp = dateTimeFormat.format(now);
headers.put("x-amz-date", dateTimeStamp);

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@ -0,0 +1,39 @@
/**
* Copyright (c) 2010-2023 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.folderwatcher.internal.api.exception;
import org.eclipse.jdt.annotation.NonNullByDefault;
/**
* The {@link APIException} signal's there was a problem with interacting with the API
*
* @author Leo Siepel - initial contribution
*
*/
@NonNullByDefault
public class APIException extends Exception {
private static final long serialVersionUID = 1L;
public APIException(String message) {
super(message);
}
public APIException(String message, Throwable cause) {
super(message, cause);
}
public APIException(Throwable cause) {
super(cause);
}
}

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@ -0,0 +1,39 @@
/**
* Copyright (c) 2010-2023 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.folderwatcher.internal.api.exception;
import org.eclipse.jdt.annotation.NonNullByDefault;
/**
* The {@link AuthException} signal's there was a problem with authentication
*
* @author Leo Siepel - initial contribution
*
*/
@NonNullByDefault
public class AuthException extends Exception {
private static final long serialVersionUID = 1L;
public AuthException(String message) {
super(message);
}
public AuthException(String message, Throwable cause) {
super(message, cause);
}
public AuthException(Throwable cause) {
super(cause);
}
}

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@ -0,0 +1,39 @@
/**
* Copyright (c) 2010-2023 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.folderwatcher.internal.api.util;
import org.eclipse.jdt.annotation.NonNullByDefault;
/**
* The {@link HttpUtilException} signal;s there was a problem with contacting the API
*
* @author Leo Siepel - initial contribution
*
*/
@NonNullByDefault
public class HttpUtilException extends Exception {
private static final long serialVersionUID = 1L;
public HttpUtilException(String message) {
super(message);
}
public HttpUtilException(String message, Throwable cause) {
super(message, cause);
}
public HttpUtilException(Throwable cause) {
super(cause);
}
}

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@ -26,12 +26,12 @@ import org.eclipse.jdt.annotation.NonNullByDefault;
*/
@NonNullByDefault
public class HttpUtils {
public static String urlEncode(String url, boolean keepPathSlash) {
public static String urlEncode(String url, boolean keepPathSlash) throws HttpUtilException {
String encoded;
try {
encoded = URLEncoder.encode(url, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("UTF-8 encoding is not supported.", e);
throw new HttpUtilException("UTF-8 encoding is not supported.", e);
}
if (keepPathSlash) {
encoded = encoded.replace("%2F", "/");

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@ -24,6 +24,7 @@ import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.folderwatcher.internal.api.S3Actions;
import org.openhab.binding.folderwatcher.internal.api.exception.APIException;
import org.openhab.binding.folderwatcher.internal.common.WatcherCommon;
import org.openhab.binding.folderwatcher.internal.config.S3BucketWatcherConfiguration;
import org.openhab.core.OpenHAB;
@ -71,12 +72,16 @@ public class S3BucketWatcherHandler extends BaseThingHandler {
@Override
public void initialize() {
config = getConfigAs(S3BucketWatcherConfiguration.class);
if (config.s3Anonymous) {
s3 = new S3Actions(httpClientFactory, config.s3BucketName, config.awsRegion);
} else {
s3 = new S3Actions(httpClientFactory, config.s3BucketName, config.awsRegion, config.awsKey,
config.awsSecret);
try {
if (config.s3Anonymous) {
s3 = new S3Actions(httpClientFactory, config.s3BucketName, config.awsRegion);
} else {
s3 = new S3Actions(httpClientFactory, config.s3BucketName, config.awsRegion, config.awsKey,
config.awsSecret);
}
} catch (APIException e) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.HANDLER_INITIALIZING_ERROR, e.getMessage());
return;
}
try {